Scs-Roaring Creek Site-S5 Reservoir Report
Last Updated: December 7, 2025
SCS-Roaring Creek Site-S5 is a state-owned earth dam located in Grady County, Oklahoma, near the city of Alex.
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Summary
Built in 1966 by the USDA NRCS, this dam stands at a height of 22 feet and has a length of 875 feet, with a primary purpose of flood risk reduction. It has a normal storage capacity of 80 acre-feet and a maximum storage of 160 acre-feet, serving to control the flow of TR-Soldier Creek.
With a hazard potential rated as significant and a condition assessment of fair, SCS-Roaring Creek Site-S5 poses a very high risk according to the data provided. The dam's spillway is of the controlled type with a width of 1 foot, and it is equipped with a single valve outlet gate for water release. While the last inspection was conducted in 2011 with an inspection frequency of 3 years, there is a need for updated emergency action plans and risk management measures to ensure the safety and functionality of the dam.
Despite being state-regulated and meeting various permitting and inspection requirements, SCS-Roaring Creek Site-S5 remains at a high risk level due to its age and condition. As an important structure for flood risk reduction in the area, it is crucial for the relevant agencies to prioritize the implementation of necessary measures to address the identified risks and ensure the long-term resilience of the dam. For water resource and climate enthusiasts, this site serves as a reminder of the ongoing challenges and importance of maintaining and managing critical infrastructure in the face of changing environmental conditions.
Year Completed |
1966 |
Dam Length |
875 |
Dam Height |
22 |
River Or Stream |
TR-SOLDIR CREEK |
Primary Dam Type |
Earth |
Surface Area |
6 |
Hydraulic Height |
22 |
Nid Storage |
160 |
Structural Height |
22 |
Outlet Gates |
Valve - 1 |
Hazard Potential |
Significant |
Foundations |
Soil |
Nid Height |
22 |
Seasonal Comparison
Weather Forecast
Dam Data Reference
Condition Assessment
SatisfactoryNo existing or potential dam safety deficiencies are recognized. Acceptable performance is expected under all loading conditions (static, hydrologic, seismic) in accordance with the minimum applicable state or federal regulatory criteria or tolerable risk guidelines.
Fair
No existing dam safety deficiencies are recognized for normal operating conditions. Rare or extreme hydrologic and/or seismic events may result in a dam safety deficiency. Risk may be in the range to take further action. Note: Rare or extreme event is defined by the regulatory agency based on their minimum
Poor A dam safety deficiency is recognized for normal operating conditions which may realistically occur. Remedial action is necessary. POOR may also be used when uncertainties exist as to critical analysis parameters which identify a potential dam safety deficiency. Investigations and studies are necessary.
Unsatisfactory
A dam safety deficiency is recognized that requires immediate or emergency remedial action for problem resolution.
Not Rated
The dam has not been inspected, is not under state or federal jurisdiction, or has been inspected but, for whatever reason, has not been rated.
Not Available
Dams for which the condition assessment is restricted to approved government users.
Hazard Potential Classification
HighDams assigned the high hazard potential classification are those where failure or mis-operation will probably cause loss of human life.
Significant
Dams assigned the significant hazard potential classification are those dams where failure or mis-operation results in no probable loss of human life but can cause economic loss, environment damage, disruption of lifeline facilities, or impact other concerns. Significant hazard potential classification dams are often located in predominantly rural or agricultural areas but could be in areas with population and significant infrastructure.
Low
Dams assigned the low hazard potential classification are those where failure or mis-operation results in no probable loss of human life and low economic and/or environmental losses. Losses are principally limited to the owner's property.
Undetermined
Dams for which a downstream hazard potential has not been designated or is not provided.
Not Available
Dams for which the downstream hazard potential is restricted to approved government users.
Scs-Roaring Creek Site-S5